How can PHP be used to update data on a page without displaying a new page or message to the user?

To update data on a page without displaying a new page or message to the user, you can use AJAX in combination with PHP. AJAX allows you to make asynchronous requests to the server without refreshing the page, and PHP can handle the data processing on the server-side. By sending data to a PHP script using AJAX, you can update the page content dynamically without interrupting the user's experience. 

<?php
// Handle the data sent from the client-side via AJAX
if(isset($_POST['data'])){
    // Process the data as needed
    $updatedData = $_POST['data'] . " updated";
    
    // Send back the updated data to the client-side
    echo $updatedData;
}
?>

Keywords

AJAX XMLHttpRequest jQuery asynchronous DOM manipulation

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